1.1 --- a/css3-conditional/Overview.src.html Wed Nov 14 21:43:26 2012 +0200 1.2 +++ b/css3-conditional/Overview.src.html Wed Nov 14 13:19:33 2012 -0800 1.3 @@ -408,6 +408,14 @@ 1.4 the Media Queries specification [[!MEDIAQ]].</p> 1.5 1.6 <p> 1.7 + Implementations <strong>must</strong> parse ''@supports'' rules 1.8 + based on the above grammar, 1.9 + and when interpreting the above grammar, 1.10 + <strong>must</strong> match the production before an <code>|</code> operator 1.11 + in preference to the one after it. 1.12 +</p> 1.13 + 1.14 +<p> 1.15 The above grammar is purposely very loose for forwards-compatibility reasons, 1.16 since the <code>general_enclosed</code> production 1.17 allows for substantial future extensibility.